JP3620534B2 - Electronic still camera device and photographing method of electronic still camera - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic still camera device that extracts and records a signal of an arbitrary field or frame from a captured video signal, and an imaging method of the electronic still camera.
[0002]
[Prior art]
For example, an electronic still camera device is provided in which a CCD image pickup device is provided, and an arbitrary one field or one frame signal is extracted from a video signal picked up by the CCD image pickup device and recorded.
[0003]
In such an apparatus, for example, when zoom means capable of arbitrarily changing the angle of view of the lens system from wide angle to telephoto is provided, in the conventional apparatus, such zoom means is controlled by, for example, wide angle direction and telephoto. The operation is performed using two direction operation buttons. For this reason, in order to obtain a desired angle of view using such an apparatus, extremely troublesome operations such as pressing one of the above-described two operation buttons continuously or repeatedly are required.
[0004]
In addition, regarding the technique for operating the electronic still camera using the touch panel that is a part of the gist of the present invention, Patent Literature 1 and Patent Literature 2 are cited, but neither of them discloses specific means. In particular, FIG. 5 of Patent Document 2 merely shows that a part of the screen is enlarged for easy operation.
[0005]
[Patent Document 1]
JP-A-3-255430
[Patent Document 2]
Japanese Patent Laid-Open No. 1-193708
[0006]
[Problems to be solved by the invention]
This application has been made in view of the above points, and the problem to be solved is that the conventional apparatus requires a very troublesome operation when performing a zoom operation. .
[0007]
[Means for Solving the Problems]
For this reason, in the present invention, a plurality of zoom frames are graphically displayed superimposed on the image displayed on the liquid crystal display, and the zoom means is controlled according to the zoom frame instructed by the touch panel. According to this, since the operation instruction is performed using the touch panel, the zoom operation can be performed very easily.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
That is, the present invention Have a zoom lens, An electronic still camera device that extracts and records a signal of an arbitrary field or frame from an imaged video signal, and a photographing method of the electronic still camera, which is performed at the time of photographing. Change the zoom lens position A liquid crystal display having zoom means for performing zooming and displaying a captured video signal is provided, and a touch panel is attached to the liquid crystal display, and is superimposed on an image displayed on the liquid crystal display at the center of the display surface. On the other hand, a plurality of rectangular zoom frames that are concentric and similar to the outer frame of the display surface are graphically displayed. By changing the zoom lens position, The zoom means is controlled so that the zoom frame instructed from the plurality by the touch panel matches the outer frame of the display surface.
[0009]
The present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram showing a circuit configuration of an example of an electronic still camera apparatus to which an electronic still camera apparatus and an electronic still camera photographing method according to the present invention are applied. .
[0010]
In FIG. 1, image light from a subject (not shown) is irradiated onto an image pickup surface of a CCD image pickup device 2 through a lens system 1 and a video signal is taken out. This video signal is supplied to the A / D conversion circuit 5 through the amplifier 3 and the signal processing circuit 4, and is digitally converted with a predetermined number of bits. The digitally converted image data is written into the image memory (frame memory) 7 through the switch 6.
[0011]
Further, the image data written in the image memory 7 is supplied to the image recording device 8 and recorded. Note that an IC card, a floppy (registered trademark) disk, or the like is used as a recording medium of the image recording apparatus 8. A reproduction signal from the image recording device 8 is written into the image memory 7 through the switch 6.
[0012]
Further, the image data written in the image memory 7 is supplied to the mixer 9, and the signals from the graphic memory 10 and the text memory 11 are mixed. The graphic memory 10 stores a frame indicating a position designated from a touch panel described later. The text memory 11 stores comment texts such as operation instructions and statuses. A signal from the mixer 9 is supplied to a D / A conversion circuit 12, and analog-converted image data is supplied to a liquid crystal display (LCD) 13.
[0013]
Therefore, in this apparatus, image data picked up by the CCD image pickup device 2 is written in the image memory 7. Then, an image obtained by combining the image from the graphic memory 10 and the text memory 11 with this image is displayed on the liquid crystal display 13. The image data written in the image memory 7 is recorded on the recording medium of the image recording device 8. Further, a reproduction signal from the image recording device 8 is written into the image memory 7 through the switch 6, and this image is displayed on the liquid crystal display 13.
[0014]
Further, a touch panel 14 is provided in front of the display surface of the liquid crystal display 13. An arbitrary operation button 15 is provided in the vicinity of the display surface of the liquid crystal display 13. Signals from the touch panel 14 and the operation buttons 15 are supplied to the system control device 16.
[0015]
Further, the image data written in the image memory 7 is supplied to a cutout memory 17 for a desired area on the screen, and a signal from the cutout memory 17 is supplied to a focus detection circuit 18 and a photometry circuit 19. Signals from the focus detection circuit 18 and the photometry circuit 19 are supplied to the system controller 16.
[0016]
Further, the control signal from the system control device 16 is converted into a signal processing circuit 4, an A / D conversion circuit 5, an image memory 7, a recording device 8, a graphic memory 10, a text memory 11, a cut-out memory 17, a focus detection circuit 18, and The photometric circuit 19 is supplied. Also supplied to the lens system control circuit 20 and the CCD control circuit 21.
[0017]
FIG. 2 is a perspective view showing an external configuration of an example of an electronic still camera device according to the present invention. In this figure, a liquid crystal display 13 is provided on the back surface of the main body 100 on which the lens system 1 is provided, and a touch panel 14 is provided on the front surface of the display surface. An operation button 15 is provided in the vicinity of the display surface of the liquid crystal display 13. The operation buttons 15 are provided with a recording button 15a, a reset button 15b, a partial photometry button 15c, a partial focus button 15d, an auto zoom button 15e, and the like.
[0018]
In this apparatus, flowcharts of processing in the system control apparatus 16 are as shown in FIGS.
[0019]
3 is a routine for detecting the operation button 15. When the operation is started, it is determined in step [1] whether or not the auto zoom button 15e has been turned on. Next, at step [2], it is determined whether or not the partial focus button 15d is turned on. Further, in step [3], it is determined whether or not the partial metering button 15c is turned on. In step [4], it is determined whether or not the recording button 15a is turned on.
[0020]
Here, when all of the steps [1] to [4] are negative (N), these steps are repeated. When the auto zoom button 15e is turned on in step [1] (Y), an auto zoom subroutine is called. When the partial focus button 15d is turned on in step [2] (Y), the partial focus focus area subroutine is called. Further, when the partial metering button 15c is turned on in step [3] (Y), a subroutine for instructing the metering area for partial metering is called.
[0021]
On the other hand, when the recording button 15a is turned on in step [4] (Y), recording is performed in step [5]. Further, in step [6], default values are set in the partial photometry area and partial focus area, the graphic memory 10 and the text memory 11 are cleared, and the process returns to step [1].
[0022]
FIG. 4 shows an auto zoom subroutine. In this figure, when the operation is started, the position of the zoom lens of the lens system 1 is read from the control circuit 20 in step [7], and the allowable magnification and the angle of view (frame) at an arbitrary zoom position are calculated. Next, in step [8], it is determined whether zooming is possible. If zooming is not possible (N), a screen as shown in FIG. 10A is output from the text memory 11 in step [9], and the process returns to step [2] of the operation button detection routine described above.
[0023]
On the other hand, when zooming is possible in step [8] (Y), a screen as shown in FIG. 10B is output from the text memory 11 in step [10]. In step [11], it is determined whether or not the touch panel 14 has been touched. Next, at step [12], it is determined whether or not the partial focus button 15d is turned on. In step [13], it is determined whether or not the partial metering button 15c is turned on. In step [14], it is determined whether or not the reset button 15b is turned on. In step [15], it is determined whether or not the recording button 15a is turned on.
[0024]
Here, when any of the steps [11] to [15] is negative (N), these steps are repeated. When the partial focus button 15d is turned on at step [12] (Y), a partial focus focus area instruction subroutine is called. When the partial metering button 15c is turned on in step [13] (Y), a subroutine for instructing the metering area for partial metering is called.
[0025]
On the other hand, when the touch panel 14 is touched in step [11] (Y), the position of the zoom lens is determined and stored in step [16]. In step [17], the auto mode is set. In step [18], the graphic memory 10 and the text memory 11 are cleared, and the operation button detection routine returns to step [2].
[0026]
When the reset button 15b is turned on in step [14] (Y), the graphic memory 10 and the text memory 11 are cleared in step [18], and the operation button detection routine returns to step [2]. Further, when the recording button 15a is turned on in step [4] (Y), the process returns to step [5] of the operation button detection routine described above.
[0027]
The zoom operation is performed as shown in FIG. That is, in the figure, it is determined in step [19] whether or not the auto mode has been set. If it is not set (N), manual setting is performed in step [20] and the process returns to step [19].
[0028]
When the auto mode is set in step [19] (Y), the position of the zoom lens is read in step [21], and the zoom lens is driven in step [22]. Thus, for example, when the frame A is touched on the screen shown in FIG. 10B, the screen becomes as shown in FIG. In step [23], the auto mode is canceled and the process returns to step [19]. These operations are repeated.
[0029]
FIG. 6 is a subroutine for instructing a focus area for partial focus. In this figure, when the operation is started, one-point focus is set in step [24], a predetermined button ignore time T is set, the graphic memory 10 is cleared, and a screen as shown in FIG. Output from the memory 11. Next, in step [25], it is determined whether T ≦ 0. If T ≦ 0 is not satisfied (N), T is counted down in step [26], and the process proceeds to a process described later.
[0030]
On the other hand, when T ≦ 0 in step [25] (Y), it is determined in step [27] whether or not the partial focus button 15d has been turned on. Here, when the partial focus button 15d is not turned on (N), the process proceeds to a process described later. When the partial focus button 15d is turned on (Y), a predetermined button ignoring time T is set in step [28], and it is determined in step [29] whether or not the two-point focus mode is set.
[0031]
Here, in the two-point focus mode (Y), the single-point focus mode is set at step [30], and a screen as shown in FIG. When the two-point focus mode is not set (N), the two-point focus mode is set at step [31], and a screen as shown in FIG. In step [26], T is counted down and the process proceeds to a process described later.
[0032]
In step [32], it is determined whether or not the touch panel 14 has been touched. Next, at step [33], it is determined whether or not the auto zoom button 15e has been turned on. In step [34], it is determined whether or not the partial metering button 15c is turned on. In step [35], it is determined whether or not the reset button 15b is turned on. In step [36], it is determined whether or not the recording button 15a is turned on.
[0033]
Here, when any of the steps [32] to [36] is negative (N), the process returns to the step [25]. When the auto zoom button 15e is turned on in step [33] (Y), an auto zoom subroutine is called. When the partial metering button 15c is turned on in step [34] (Y), a subroutine for instructing the metering area for partial metering is called.
[0034]
On the other hand, when the touch panel 14 is touched in step [32] (Y), it is determined in step [37] whether or not the two-point focus is set. When the focus is not two-point focus (N), a screen as shown in FIG. 11B is output from the graphic memory 10 and the text memory 11 in step [38], a specified value is set in the focus area, and step [25]. ] Is returned.
[0035]
When the two-point focus is set in step [37] (Y), it is determined in step [39] whether or not the first point instruction has been completed. If not finished here (N), it is stored as the first focus area in step [40], the first point instruction is finished, and the screen as shown in FIG. The output from the memory 11 is returned to step [25].
[0036]
Further, when the instruction for the first point is finished in step [39] (Y), it is stored as the focus area for the second point in step [41], and a screen as shown in E of FIG. 11 is returned to step [3] of the operation button detection routine described above.
[0037]
When the reset button 15b is turned on in step [35] (Y), the graphic memory 10 and the text memory 11 are cleared in step [42], the default value is set in the partial focus area, and the operation button detection routine described above is set. Return to step [3]. Further, when the recording button 15a is turned on in step [36] (Y), the process returns to step [5] of the operation button detection routine described above.
[0038]
The focusing operation is performed as shown in FIG. That is, in the figure, it is determined whether or not the two-point focus is set in step [43]. If it is not set (N), image data at the designated position is fetched at step [44], and focus detection processing is performed at step [45]. Further, in step [46], it is determined whether or not the subject is in focus. When in focus (Y), the process returns to step [43]. If not in focus (N), the focus adjustment lens is driven in step [47] and the process returns to step [44].
[0039]
If the two-point focus is set in step [43] (Y), the image data of the designated position of the first focus area is fetched in step [48], and the focus detection process is performed in step [49]. Done. Further, in step [50], it is determined whether or not the subject is in focus. If not in focus (N), the focus adjustment lens is driven in step [51] and the process returns to step [48].
[0040]
Further, when focus is achieved in step [50] (Y), the position of the focus adjustment lens is stored in step [52]. In step [53], image data at the designated position of the second focus area is fetched, and in-focus detection processing is performed in step [54]. Further, in step [55], it is determined whether or not the subject is in focus. If not in focus (N), the focus adjustment lens is driven in step [56] and the process returns to step [53].
[0041]
When focus is achieved in step [55] (Y), the position of the focus adjustment lens is stored in step [57]. The focus adjustment lens is driven in Step [58] using the position of the focus adjustment lens stored in Steps [52] and [57]. Further, these operations are repeated.
[0042]
FIG. 8 is a subroutine for instructing photometry area for partial photometry. In this figure, when the operation is started, average metering is set in step [59], a predetermined button ignore time T is set, the graphic memory 10 is cleared, and the screen as shown in FIG. 11 is output. Next, in step [60], it is determined whether T≤0. If T ≦ 0 is not satisfied (N), T is counted down in step [61], and the process proceeds to a process described later.
[0043]
On the other hand, when T ≦ 0 in step [60] (Y), it is determined in step [62] whether or not the partial photometry button 15c is turned on. If the partial metering button 15c is not turned on (N), the process proceeds to a process described later. When the partial photometry button 15c is turned on (Y), a predetermined button ignore time T is set in step [63], and it is determined in step [64] whether or not average photometry is performed.
[0044]
Here, in the case of average metering (Y), the key metering is performed in step [65], and a screen as shown in FIG. When the average metering is not performed (N), the average metering is performed at step [66], and a screen as shown in FIG. In step [61], T is counted down and the process proceeds to a process described later.
[0045]
Further, at step [67], it is determined whether or not the instruction for the first corner has been completed. In step [68], it is determined whether or not the touch panel 14 has been touched. Next, at step [68], it is determined whether or not the auto zoom button 15e has been turned on. In step [70], it is determined whether or not the partial focus button 15d has been turned on. In step [71], it is determined whether or not the reset button 15b is turned on. In step [72], it is determined whether or not the recording button 15a is turned on.
[0046]
Here, when any of the steps [67] to [72] is negative (N), the process returns to the step [60]. When the auto zoom button 15e is turned on in step [69] (Y), the auto zoom subroutine is called. When the partial focus button 15d is turned on at step [70] (Y), a partial focus focus area subroutine is called.
[0047]
On the other hand, when the touch panel 14 is touched in step [68] (Y), a screen as shown in FIG. 12C or E is output from the graphic memory 10 and the text memory 11 in step [74]. Further, in step [75], it is determined whether or not the touch panel 14 has been touched.
[0048]
When the touch panel 14 is touched in step [75] (Y), a screen as shown in FIG. 12D or F is output from the graphic memory 10 and the text memory 11 in step [76] and designated as photometric area data. The frame is added and the process returns to step [60].
[0049]
When the instruction for the first corner is completed in step [67] (Y), the process proceeds to step [75]. If the touch panel 14 is not touched in step [75] (N), the process proceeds to step [69].
[0050]
When the reset button 15b is turned on in step [71] (Y), the graphic memory 10 and the text memory 11 are cleared in step [77], the default values are set in the partial photometry area data, and the operation buttons described above are used. Return to step [4] of the detection routine. Further, when the recording button 15a is turned on in step [72] (Y), the process returns to step [5] of the operation button detection routine described above.
[0051]
The exposure adjustment operation is performed as shown in FIG. That is, in the figure, it is determined whether or not partial photometry is set in step [78]. If it is not set (N), the image data of the designated area is fetched in step [79], and the multi-pattern photometry process is performed in step [80].
[0052]
Further, when partial metering is set in step [78] (Y), it is determined whether or not priority metering is set in step [81]. When set (Y), the image data of the designated area is fetched in step [82], and the key metering process is performed in step [83]. Further, when the priority metering is not set in step [81] (N), the image data of the designated area is fetched in step [84], and the average metering process is performed in step [85].
[0053]
In step [86], it is determined whether or not the two-point focus is set. If it is not set (N), the exposure is determined in step [87]. Further, when the two-point focus is set in step [86] (Y), the exposure is determined in step [88] by increasing the aperture according to the position of the two points. This exposure determination is performed using a table corresponding to the positions of two points, for example. In step [89], the aperture, shutter speed, etc. are set, and the flow returns to step [78].
[0054]
Therefore, in this apparatus, the photographed images are refreshed at regular intervals, and text and graphics are synthesized on this and displayed on the liquid crystal display 13. At the same time, the operation button 15 is detected as shown in FIG. 3, and the mode is switched to each mode when the buttons 15a to 15e are pressed. Also, zoom, focus adjustment, and exposure adjustment setting operations are performed in parallel.
[0055]
When the auto zoom button 15e is first pressed, the auto zoom designation mode shown in FIG. 4 is entered. That is, the current position of the zoom lens is read, the range in which the zoom lens can be moved is calculated, and if the zoom is close to the maximum, the zoom cannot be performed, so a text sentence as shown in FIG. Return.
[0056]
When zooming is possible, an appropriate number of rectangular zoom frames that are concentric with the center of the display surface and similar to the outer frame of the display surface are graphically displayed as shown in FIG. Encourage selection of a frame. When the touch panel 14 is touched and a frame is selected, the zoom lens position of the magnification calculated previously is stored and the auto mode is set.
[0057]
On the other hand, in FIG. 5, when the zoom operation is in the auto mode, the zoom lens is driven to the position determined in the auto zoom designation mode. For example, if the frame A is selected in B of FIG. 10, the image in the frame A is zoomed to fill the screen as shown in C of FIG. In FIG. 4, when waiting for the touch panel, the operation button 15 is detected until the touch panel 14 is touched, and when another operation button is pressed, that button is given priority.
[0058]
Next, the partial focus mode includes a one-point focus and a two-point focus. One point focus refers to designating an arbitrary point on the screen and focusing on it. The two-point focus is a method in which when two points with slightly different distances from the camera are designated, the two points are focused simultaneously. As a method, the focus lens is set so that the focal point is in the middle of the two points. To increase the aperture amount according to the two focus lens positions, and to increase the subject depth so that focusing is easy. When the partial focus area is not specified, for example, the central focus is set and a default image area is set.
[0059]
When the partial focus button 15d is pressed, the partial focus area designation mode shown in FIG. 6 is entered, one-point focus is set, and text is displayed as shown in FIG. When the partial focus button 15d is pressed and the touch panel and other buttons are not pressed after a certain period of time, the partial focus button 15d is pressed again. Is replaced with a one-point focus, and a text such as A in FIG. 11 is displayed in the case of one-point focus and C in the same figure is displayed in the case of two-point focus.
[0060]
Further, in the case of one-point focus, when the point to be focused in the state of A in FIG. 11 is indicated on the touch panel 14, a circle is displayed graphically at the point indicated as B in FIG. For example, 50 × 50 pixels are stored around the designated location, and the operation button and the touch panel are returned to the standby state. In the one-point focus, the focus point can be changed by touching the touch panel 14 again.
[0061]
The two-point focus designation method is that when the point to be focused in the state of C in FIG. 11 is designated on the touch panel 14, the first point is designated. Is displayed in a graphic form, and the setting value of the focus area is stored, for example, 50 × 50 pixels centering on the designated place, and the operation button and the touch panel are returned to the standby state.
[0062]
At this time, the text is displayed so as to indicate the second point, and when the second point is specified on the touch panel 14, circles are displayed at the first and second points as shown in E of FIG. The installation value of the second focus area is stored, for example, 50 × 50 pixels centering on the designated location, and the focus area designation mode is exited. When waiting for the touch panel, the operation button 15 is detected until the touch panel 14 is touched, and when the other operation button is pressed, that button is given priority. In addition, the text and graphic display are maintained until one of the operation buttons is pressed.
[0063]
On the other hand, the focusing operation is shown in FIG. In one-point focus, the image data of the focus area designated by the partial focus area designation mode or the default value is cut out from the image memory and read into the memory 17, and the data is sent to the focus detection circuit 18 to determine the focus. For example, a loop of moving the position of the focus lens is repeated to perform focusing.
[0064]
In the case of two-point focus, focusing is performed using image data in the focus area designated at the first point, and the position of the focus lens at this time is stored. Next, the focus is adjusted by the image data in the focus area designated by the second point. Then, a position where the focus is in the middle between the two points is calculated from the position of the focus lens and the position of the first focus lens.
[0065]
Then, the focus lens is moved to an intermediate position between the two focus positions, and the aperture is increased in accordance with the positions of the two focus lenses at the time of exposure adjustment described later. It should be noted that in the two-point focus, since feedback is not applied, it may not always be possible to properly focus on the two points, but this is determined by the photographer by looking at the image on the liquid crystal display 13.
[0066]
Further, there are two types of metering: average metering and priority metering. Average metering is to determine the exposure by measuring the average light intensity of the image data in the designated metering area. Further, the weighted metering is a method of determining the exposure from the average light amount of the weighted image data in the photometric area and the light amount of all the image data. If the area is not specified by partial metering, for example, multi-pattern metering is used, and exposure is obtained from metering data of a plurality of predetermined areas.
[0067]
When the partial metering button 15c is pressed, the partial metering area designation mode shown in FIG. 8 is entered, and the screen shown in FIG. In addition, when the partial metering button 15c is pressed and the touch panel and other buttons are not pressed after a certain time, the partial metering button 15c is pressed again. In the case of average metering, text such as A in FIG. 12 is displayed, and in case of weighted metering, text such as B in FIG.
[0068]
The partial photometry area is rectangular and is specified by two diagonal corners. That is, if one corner of the rectangular area of the photometry area is indicated on the touch panel 14 in the state of A of FIG. 12 or B of FIG. You will be prompted to tell me. When the diagonal corner is designated on the touch panel 14 as described above, a screen as shown in FIG.
[0069]
Multiple photometry areas can be specified by repeating the same operation. E in the figure is a screen when the first corner of the second area is designated, and F in the figure is a screen when the diagonal corner of the second area is designated. When waiting for the touch panel, the operation button 15 is detected until the touch panel 14 is touched, and when the other operation button is pressed, that button is given priority.
[0070]
On the other hand, the exposure adjustment operation is shown in FIG. In this figure, a photometry mode is first determined, an image designated from the image memory is read out into the memory 17 in accordance with each photometry mode, data is processed by the photometry circuit 19, and exposure is determined. When the above-mentioned two-point focus is specified at the time of exposure determination, the aperture is increased according to the two focus positions obtained at the time of focusing, and the exposure is determined by obtaining the shutter speed. When the exposure is determined, set the aperture and shutter speed.
[0071]
Thus, according to the above-described apparatus, a plurality of zoom frames are displayed in a graphic manner superimposed on an image displayed on the liquid crystal display, and the zoom unit is controlled in accordance with the zoom frame instructed by the touch panel. Since the operation is instructed using the zoom, the zoom operation can be performed very easily.
[0072]
In the above-described apparatus, the auto zoom setting may be specified by, for example, two diagonal corners as in the case of specifying the photometric area. In that case, if a so-called electronic zoom is used, an arbitrary portion on the screen can be zoomed. Note that the electronic zoom is not preferable because the image quality is deteriorated at present.
[0073]
Further, in the above-described apparatus, the operation button 15 can be provided in the touch panel 14 by preparing a graphic for that purpose.
[0074]
【The invention's effect】
Book invention These are an electronic still camera apparatus and an electronic still camera photographing method that have a zoom lens and extract and record a signal of one arbitrary field or one frame from a captured video signal. A liquid crystal display having zoom means for changing and zooming and displaying a captured video signal is provided, and a touch panel is attached to the liquid crystal display, and a display surface is superimposed on an image displayed on the liquid crystal display. A plurality of rectangular zoom frames that are concentric with the center of the display surface and that are similar to the outer frame of the display surface are displayed graphically, and the zoom lens position is changed so that the zoom frame instructed from the multiple by the touch panel This controls the zoom means so that it matches the outer frame. According to the above, since the operation instruction is performed using the touch panel, the zoom operation can be performed very easily.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a circuit configuration of an example of an electronic still camera device according to the present invention.
FIG. 2 is a perspective view showing an external configuration of an example of an electronic still camera device according to the present invention.
FIG. 3 is a flowchart for the explanation.
FIG. 4 is a flowchart for explanation.
FIG. 5 is a flowchart for the explanation.
FIG. 6 is a flowchart for the explanation.
FIG. 7 is a flowchart for the explanation.
FIG. 8 is a flowchart for the explanation.
FIG. 9 is a flowchart for explanation.
FIG. 10 is a configuration diagram of a screen for explanation.
FIG. 11 is a configuration diagram of a screen for explanation.
FIG. 12 is a configuration diagram of a screen for explanation.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Lens system, 2 ... CCD image sensor, 3 ... Amplifier, 4 ... Signal processing circuit, 5 ... A / D conversion circuit, 6 ... Switch, 7 ... Image memory (frame memory), 8 ... Recording apparatus, 9 ... Mixing 10 ... Graphic memory, 11 ... Text memory, 12 ... D / A conversion circuit, 13 ... Liquid crystal display (LCD), 14 ... Touch panel, 15 ... Operation buttons, 16 ... System controller, 17 ... Cut-out memory, 18 ... Focus detection circuit, 19 ... photometry circuit, 20 ... lens system control circuit, 21 ... CCD control circuit

Claims (4)

An electronic still camera device that has a zoom lens and extracts and records an arbitrary field or frame signal from a captured video signal,
Zoom means for zooming by changing the position of the zoom lens during the shooting;
A liquid crystal display on which the imaged video signal is displayed;
A touch panel attached to the liquid crystal display;
Graphic display means for graphically displaying a plurality of rectangular zoom frames similar to the outer frame of the display surface concentrically with the center of the display surface superimposed on the image displayed on the liquid crystal display;
Control means for controlling the zoom means so that the zoom frame instructed from the plurality by the touch panel matches the outer frame of the display surface by changing the position of the zoom lens. An electronic still camera device. The electronic still camera device according to claim 1,
An electronic still camera device comprising recording means for recording a video signal imaged through the zoom lens . An electronic still camera photographing method that has a zoom lens and extracts and records an arbitrary field or frame signal from a captured video signal,
Zoom means for zooming by changing the position of the zoom lens at the time of shooting;
A liquid crystal display on which the captured video signal is displayed is provided, and a touch panel is attached to the liquid crystal display,
A plurality of rectangular zoom frames similar to the outer frame of the display surface that are concentric with the center of the display surface and superimposed on the image displayed on the liquid crystal display are graphically displayed,
An electronic still camera, wherein the zoom unit is controlled by changing the position of the zoom lens so that the zoom frame instructed from the plurality by the touch panel coincides with an outer frame of the display surface. Shooting method. In the imaging method of the electronic still camera according to claim 3,
An image pickup method for an electronic still camera, wherein an image signal picked up through the zoom lens is recorded.

Images